# Properties

 Label 4.4.6809.1-16.1-a Base field 4.4.6809.1 Weight $[2, 2, 2, 2]$ Level norm $16$ Level $[16, 2, 2]$ Dimension $1$ CM no Base change no

# Related objects

## Base field 4.4.6809.1

Generator $$w$$, with minimal polynomial $$x^{4} - 5x^{2} - x + 1$$; narrow class number $$1$$ and class number $$1$$.

## Form

 Weight: $[2, 2, 2, 2]$ Level: $[16, 2, 2]$ Dimension: $1$ CM: no Base change: no Newspace dimension: $6$

## Hecke eigenvalues ($q$-expansion)

The Hecke eigenvalue field is $\Q$.
Norm Prime Eigenvalue
2 $[2, 2, w + 1]$ $-1$
5 $[5, 5, w^{3} - 4w]$ $\phantom{-}0$
8 $[8, 2, w^{3} - w^{2} - 4w + 3]$ $-1$
11 $[11, 11, w^{3} - 5w + 1]$ $\phantom{-}3$
17 $[17, 17, -w^{3} - w^{2} + 5w + 4]$ $-3$
23 $[23, 23, -w^{2} + 2]$ $-6$
29 $[29, 29, -w^{2} - w + 3]$ $\phantom{-}0$
31 $[31, 31, -w^{3} + 6w + 2]$ $\phantom{-}8$
43 $[43, 43, w^{3} - 6w]$ $\phantom{-}11$
47 $[47, 47, 2w^{3} - 9w]$ $-6$
47 $[47, 47, -2w^{3} + w^{2} + 8w - 2]$ $\phantom{-}6$
53 $[53, 53, -4w^{3} + 2w^{2} + 18w - 5]$ $-6$
59 $[59, 59, w^{2} - w - 5]$ $\phantom{-}9$
59 $[59, 59, 3w^{3} - 15w - 5]$ $\phantom{-}3$
71 $[71, 71, w^{3} - 3w - 3]$ $-6$
81 $[81, 3, -3]$ $\phantom{-}10$
83 $[83, 83, -2w^{3} + 8w + 3]$ $\phantom{-}3$
89 $[89, 89, -2w^{3} + 11w - 2]$ $\phantom{-}3$
101 $[101, 101, 2w^{3} - w^{2} - 10w]$ $\phantom{-}0$
101 $[101, 101, 2w^{3} - 2w^{2} - 10w + 3]$ $-6$
 Display number of eigenvalues

## Atkin-Lehner eigenvalues

Norm Prime Eigenvalue
$2$ $[2, 2, w + 1]$ $1$
$8$ $[8, 2, w^{3} - w^{2} - 4w + 3]$ $1$